/**
  ******************************************************************************
  * @file    Project/STM32F10x_StdPeriph_Template/stm32f10x_it.c 
  * @author  MCD Application Team
  * @version V3.5.0
  * @date    08-April-2011
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and 
  *          peripherals interrupt service routine.
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_it.h"
#include "bsp.h"
#include "app.h"
/** @addtogroup STM32F10x_StdPeriph_Template
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M3 Processor Exceptions Handlers                         */
/******************************************************************************/

/**
  * @brief  This function handles NMI exception.
  * @param  None
  * @retval None
  */
void NMI_Handler(void)
{
}
/**
  * @brief  This function handles Hard Fault exception.
  * @param  None
  * @retval None
  */
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Memory Manage exception.
  * @param  None
  * @retval None
  */
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Bus Fault exception.
  * @param  None
  * @retval None
  */
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Usage Fault exception.
  * @param  None
  * @retval None
  */
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles SVCall exception.
  * @param  None
  * @retval None
  */
void SVC_Handler(void)
{
}

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_Handler(void)
{
}

/**
  * @brief  This function handles PendSVC exception.
  * @param  None
  * @retval None
  */
void PendSV_Handler(void)
{
}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
void SysTick_Handler(void)
{
  UDS_timer1ms++;
}

/******************************************************************************/
/*            STM32F10x Peripherals Interrupt Handlers                        */
/******************************************************************************/

uint32_t errCount;
void CAN1_SCE_IRQHandler(void) {
	/* check for receive errors */
	if (CAN_GetLastErrorCode(CAN1) == CAN_ErrorCode_StuffErr
			|| CAN_GetLastErrorCode(CAN1) == CAN_ErrorCode_FormErr
			|| CAN_GetLastErrorCode(CAN1) == CAN_ErrorCode_ACKErr
			|| CAN_GetLastErrorCode(CAN1) == CAN_ErrorCode_BitRecessiveErr
			|| CAN_GetLastErrorCode(CAN1) == CAN_ErrorCode_BitDominantErr
			|| CAN_GetLastErrorCode(CAN1) == CAN_ErrorCode_CRCErr)
		errCount ++; // increment err Counter if CAN error occurs

	/* clear all interrupt Flags */
	CAN_ClearITPendingBit(CAN1, CAN_IT_ERR);
	CAN_ClearITPendingBit(CAN1, CAN_IT_LEC);
	CAN_ClearITPendingBit(CAN1, CAN_IT_BOF);
	CAN_ClearITPendingBit(CAN1, CAN_IT_EPV);
	CAN_ClearITPendingBit(CAN1, CAN_IT_EWG);
}

//void USB_HP_CAN1_TX_IRQHandler(void)
//{
//  if(CAN_GetITStatus(CAN1,CAN_IT_TME))
//  {
//    CAN_ClearITPendingBit(CAN1,CAN_IT_TME);
//    //Clear combined Interrupt flag
//    CAN_ITConfig(CAN1,CAN_IT_TME, DISABLE);
//  }
//}

void USB_LP_CAN1_RX0_IRQHandler(void)
{
  if(task_states == CHECK_EXIT_PROG)
  {
    CanRxMsg msg; 
    CAN_Receive(CAN1, CAN_FIFO0, &msg);
    if(msg.FMI == 0)
    {
      if(msg.DLC>=5 && msg.Data[0]==0x04 && msg.Data[1]==0x31 && msg.Data[2]==0x01 && \
        msg.Data[3]==0x02 && msg.Data[4]==0x03)
      {
        task_states = ENTER_BOOTLOADER;
      }
    }
  }
  else
  {
    UDS_CAN_Interrupt(CAN1);
  }
}

/**
  * @brief  This function handles TIM2 global interrupt request.
  * @param  None
  * @retval : None
  */



/******************************************************************************/
/*                 STM32F10x Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32f10x_xx.s).                                            */
/******************************************************************************/

/**
  * @brief  This function handles PPP interrupt request.
  * @param  None
  * @retval None
  */
/*void PPP_IRQHandler(void)
{
}*/

/**
  * @}
  */ 


/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
